航海英语船舶修理与保养章节练习(2019.05.08)

单项选择题
A serving mallet is used in（）.
A.covering wire or fiber rope
B.forcing fids into a line
C.dogging hatches
D.splicing lines
单项选择题
The tweendecker has（）below the main deck.
A.another deck
B.two other decks
C.no deck
D.additional deck
单项选择题
On navigational aids，what does the light characteristic Fl(2+1) mean?（）
A.A flashing light combined with a fixed light of greater brightness
B.Light flashes combined in groups，with a different number of flashes in each group
C.A light showing groups of two or more flashes at regular intervals
D.A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
单项选择题
Which types of portable fire extinguishers are designed for use on electrical fires?（）
A.Dry chemical and carbon dioxide
B.Foam (stored pressure) and soda-acid
C.Carbon dioxide and foam (stored pressure)
D.Dry chemical and soda-acid
单项选择题
To clean a dirty fiber towing hawser used in ocean towing，you should（）.
A.use lye or other mild detergent
B.wash it with fresh water，dry and store it
C.wash it with salt water
D.use cleaning fluid on nylon，dacron and other synthetic lines
单项选择题
The radio technician will come aboard（）the repairs.
A.on
B.in
C.with
D.for
单项选择题
What best describes an anchor buoy?（）
A.A black ball that is hoisted when the ship anchors
B.A buoy attached to the anchor
C.A buoy attached to the scope of an anchor chain
D.A mark of the number of fathoms in an anchor chain
单项选择题
The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.
A.oxygen and explosion meter when it is used for detection of flare gases
B.self-contained breathing apparatus，when used as protection from gas leaking from a refrigeration unit
C.boots and gloves that are made of rubber or electrically non-conductive material，if used when repairing electrical equipment
D.lifeline，if used by personnel entering a compartment which might be deficient of oxygen
单项选择题
Which mooring line prevents sideways motion of a vessel moored to a pier（）.
A.A line led forward from the bow
B.A line led aft from the bow
C.A line led in the same direction as the keel
D.A line led at a right angle to the keel
单项选择题
A hydraulic accumulator is designed to（）.
A.store fluid under pressure
B.act as a fluid reservoir
C.provide overpressure relief
D.replenish fluid to a system